



'''simple docstring'''

from __future__ import annotations

SCREAMING_SNAKE_CASE__     :						str	=  '''#'''

class 							a__:






			def __init__(     self						)							->							None:
					snake_case__	     ={}






			def 						_lowercase  (     self					,   _UpperCAmelCase						)							->							None:
					snake_case__	     =self._trie
					for char in text:
							if char not in trie:
									snake_case__	     ={}
							snake_case__	     =trie[char]
					snake_case__	     =True






			def 						_lowercase  (     self					,   _UpperCAmelCase						)							->							tuple | list:
					snake_case__	     =self._trie
					for char in prefix:
							if char in trie:
									snake_case__	     =trie[char]
							else:
									return []
					return self._elements(_UpperCAmelCase						)






			def 						_lowercase  (     self					,   _UpperCAmelCase						)							->							tuple:
					snake_case__	     =[]
					for c, v in d.items():
							snake_case__	     =[' '] if c == END else [(c + s) for s in self._elements(_UpperCAmelCase						)]
							result.extend(_UpperCAmelCase						)
					return tuple(_UpperCAmelCase						)





SCREAMING_SNAKE_CASE__     :						Any	=  Trie()
SCREAMING_SNAKE_CASE__     :						Tuple	=  ('''depart''', '''detergent''', '''daring''', '''dog''', '''deer''', '''deal''')
for word in words:
			trie.insert_word(word)






def 				a  (     UpperCamelCase_    :    str			)       ->	tuple:
		snake_case__	     =trie.find_word(UpperCamelCase_			)
		return tuple(string + word for word in suffixes			)






def 				a  (     )       ->	None:
		print(autocomplete_using_trie('de'			)			)


if __name__ == "__main__":
			import doctest

			doctest.testmod()
			main()









'''simple docstring'''

from __future__ import annotations

SCREAMING_SNAKE_CASE__     :						List[Any]	=  1.6021e-19  # units = C






def 				a  (     UpperCamelCase_    :    float      ,					UpperCamelCase_    :    float      ,					UpperCamelCase_    :    float      ,					)       ->	tuple[str, float]:
		if (conductivity, electron_conc, mobility).count(0			) != 1:
				raise ValueError('You cannot supply more or less than 2 values'			)
		elif conductivity < 0:
				raise ValueError('Conductivity cannot be negative'			)
		elif electron_conc < 0:
				raise ValueError('Electron concentration cannot be negative'			)
		elif mobility < 0:
				raise ValueError('mobility cannot be negative'			)
		elif conductivity == 0:
				return (
				    "conductivity",
				    mobility * electron_conc * ELECTRON_CHARGE,
				)
		elif electron_conc == 0:
				return (
				    "electron_conc",
				    conductivity / (mobility * ELECTRON_CHARGE),
				)
		else:
				return (
				    "mobility",
				    conductivity / (electron_conc * ELECTRON_CHARGE),
				)


if __name__ == "__main__":
			import doctest

			doctest.testmod()




